The video shows director Tom Hopper and the cast discussing the unique approach to filming the musical.

Posted by Regal Cinemas, the featurette includes interviews with Hugh Jackman, Anne Hathaway, Russell Crowe, Amanda Seyfried and Eddie Redmayne about filming the movie, which required the cast to sing live on each take.

"It's going to be different, for sure," said Hathaway. "This is the first time anyone's ever tried it like this."

Redmayne praised the "spontaneity" that singing and recording live gave the cast.